---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-33776 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5600.00 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 11G 67G 15% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 666 9923 4 5398 14980 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:35:7e:bc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.56/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83621sec preferred_lft 83621sec inet6 fe80::f816:3eff:fe35:7ebc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:ca:47:b6:1b:bc brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-33776) 07/07/26 _x86_64_ (4 CPU) 18:10:52 LINUX RESTART (4 CPU) 18:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:30:02 46.13 4.71 39.33 2.09 278.18 5012.50 25931.72 18:40:02 43.12 0.02 36.68 6.42 0.59 1573.45 128283.51 18:50:01 27.92 0.16 23.72 4.04 4.83 2517.51 28642.36 Average: 39.07 1.63 33.25 4.18 94.72 3036.21 60945.72 18:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:30:02 10451368 13682812 2278992 13.92 119308 3253432 2612844 15.00 604832 4952476 34692 18:40:02 9594052 13045148 2914252 17.80 155892 3419708 3079752 17.68 676836 5695828 888 18:50:01 8656316 12988468 2966088 18.12 176388 4231420 2959868 16.99 945592 6313884 402144 Average: 9567245 13238809 2719777 16.61 150529 3634853 2884155 16.56 742420 5654063 145908 18:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:30:02 lo 0.71 0.71 0.07 0.07 0.00 0.00 0.00 0.00 18:30:02 ens3 103.45 78.83 911.72 16.42 0.00 0.00 0.00 0.00 18:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:40:02 lo 39.91 39.91 9.65 9.65 0.00 0.00 0.00 0.00 18:40:02 ens3 15.88 11.20 10.81 3.79 0.00 0.00 0.00 0.00 18:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 lo 1665.20 1665.20 1572.12 1572.12 0.00 0.00 0.00 0.00 18:50:01 ens3 58.88 44.61 354.48 11.43 0.00 0.00 0.00 0.00 18:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 567.57 567.57 526.30 526.30 0.00 0.00 0.00 0.00 Average: ens3 59.43 44.90 426.06 10.55 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-33776) 07/07/26 _x86_64_ (4 CPU) 18:10:52 LINUX RESTART (4 CPU) 18:20:01 CPU %user %nice %system %iowait %steal %idle 18:30:02 all 28.84 0.00 1.32 0.98 0.39 68.47 18:30:02 0 30.00 0.00 1.69 0.14 0.36 67.80 18:30:02 1 28.66 0.00 1.20 2.79 0.46 66.89 18:30:02 2 29.82 0.00 1.16 0.59 0.41 68.01 18:30:02 3 26.86 0.00 1.21 0.38 0.35 71.19 18:40:02 all 25.68 0.00 1.15 0.90 0.22 72.05 18:40:02 0 25.22 0.00 1.09 0.91 0.19 72.59 18:40:02 1 26.30 0.00 1.17 0.55 0.27 71.71 18:40:02 2 25.31 0.00 1.27 1.16 0.20 72.06 18:40:02 3 25.90 0.00 1.06 0.99 0.22 71.83 18:50:01 all 43.83 0.00 2.22 1.54 1.14 51.27 18:50:01 0 43.71 0.00 2.18 2.41 0.84 50.86 18:50:01 1 43.72 0.00 2.24 0.35 1.22 52.47 18:50:01 2 43.68 0.00 2.41 1.42 1.27 51.22 18:50:01 3 44.22 0.00 2.05 1.99 1.22 50.52 Average: all 32.80 0.00 1.56 1.14 0.59 63.91 Average: 0 32.98 0.00 1.65 1.15 0.47 63.74 Average: 1 32.90 0.00 1.54 1.23 0.65 63.68 Average: 2 32.96 0.00 1.62 1.06 0.63 63.74 Average: 3 32.35 0.00 1.44 1.12 0.60 64.49